package com.ruoyi.web.controller.system;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.ruoyi.framework.oauth.OauthService;
import com.ruoyi.framework.oauth.UcenterProperties;
import com.ruoyi.framework.shiro.token.OauthToken;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.AuthenticationException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpRequest;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.ResponseBody;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.text.Convert;
import com.ruoyi.common.utils.ServletUtils;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.web.service.ConfigService;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.view.RedirectView;

import java.io.IOException;

/**
 * 登录验证
 * 
 * @author ruoyi
 */
@Controller
public class SysLoginController extends BaseController
{
    /**
     * 是否开启记住我功能
     */
    @Value("${shiro.rememberMe.enabled: false}")
    private boolean rememberMe;

    @Autowired
    private ConfigService configService;
    @Autowired
    private OauthService oauthService;
    @Autowired
    private UcenterProperties ucenterProperties;
    @GetMapping("/login")
    public String login(HttpServletRequest request, HttpServletResponse response, ModelMap mmap)
    {
        // 如果是Ajax请求，返回Json字符串。
        if (ServletUtils.isAjaxRequest(request))
        {
            return ServletUtils.renderString(response, "{\"code\":\"1\",\"msg\":\"未登录或登录超时。请重新登录\"}");
        }
        // 是否开启记住我
        mmap.put("isRemembered", rememberMe);
        // 是否开启用户注册
        mmap.put("isAllowRegister", Convert.toBool(configService.getKey("sys.account.registerUser"), false));
        return "login";
    }

    @PostMapping("/login")
    @ResponseBody
    public AjaxResult ajaxLogin(String username, String password, Boolean rememberMe)
    {
        UsernamePasswordToken token = new UsernamePasswordToken(username, password, rememberMe);
        Subject subject = SecurityUtils.getSubject();
        try
        {
            subject.login(token);
            return success();
        }
        catch (AuthenticationException e)
        {
            String msg = "用户或密码错误";
            if (StringUtils.isNotEmpty(e.getMessage()))
            {
                msg = e.getMessage();
            }
            return error(msg);
        }
    }

    @GetMapping("/unauth")
    public String unauth()
    {
        return "error/unauth";
    }
    @GetMapping("/oauthlogin")
    public void OauthLogin(HttpServletResponse response) throws IOException {
        //http://sso.maxkey.top/sign/authz/oauth/v20/authorize?client_id=YOUR_CLIENT_ID&response_type=code&redirect_uri=YOUR_REGISTERED_REDIRECT_URI
        String url = String.format("%s?client_id=%s&response_type=code&redirect_uri=%s",ucenterProperties.getUserAuthorizationUri(),ucenterProperties.getClientId(),ucenterProperties.getRedirect_uri());
        response.sendRedirect(url);
    }
    @GetMapping("/oauthcallback")
    public Object OauthCallBack(String code,HttpServletResponse response) throws Exception {

        try
        {
            String token = oauthService.getToken(code);
            String userId = oauthService.getUserInfo(token);
            OauthToken oauthToken = new OauthToken(userId);
            Subject subject = SecurityUtils.getSubject();
            subject.login(oauthToken);
            response.sendRedirect("/");
            return null;
        }
        catch (AuthenticationException e)
        {
           logger.error("用户中心入口登录失败",e);
            return new ModelAndView("error/service", "errorMessage", "用户未绑定，请联系管理员");
        }
    }
}
